US Patent: 379,504
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Wrench
Combined Wrench and Clamp for Tire-Bolts
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| USPTO Classifications: |
| 81/56 |
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Patent Dates:
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| Applied: |
Oct. 28, 1887 |
| Granted: |
Mar. 13, 1888 |
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Patent Pictures:
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1 | 2
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John Byrne Pat. March 13, 1888 |
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Stan Schulz
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Description: |
| The pivot point for the clamping handle is adjustable, and the socket is driven by an offset crank through a gear train.
Also produced as the Stanley No. 1, and as an unmarked tool; production continued into the 1920s. |
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